> Why 140 characters? Historical. Twitter started out as a web-sms gateway. > I still don't get the value of twitter The value is in social capital. Importan

> Why 140 characters? Historical. Twitter started out as a web-sms gateway. > I still don't get the value of twitter The value is in social capital. Important people post there exclusively. > How is [1] better then [2]?! It isnt. But [2] came to the scene after [1] so [1] has a bigger momentum. Being slightly better does not mean everybody suddenly will switch. The perceived improvement has to be bigger than the cost of switching.